Finding the Fourth Proportional to 12,031,926.21, 18,048,480.62 and 3,941,623.53
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Solution
The fourth proportional to 12,031,926.21, 18,048,480.62 and 3,941,623.53 is: 5,912,629.00
Step by Step Solution
- Step 1: Write the proportion equation
12,031,926.21 : 18,048,480.62 = 3,941,623.53 : x - Step 2: Convert to fraction form
12,031,926.21/18,048,480.62 = 3,941,623.53/x - Step 3: Cross multiply
12,031,926.21x = 18,048,480.62 × 3,941,623.53 - Step 4: Simplify right side
12,031,926.21x = 71,140,315,872,832.86 - Step 5: Solve for x
x = 71,140,315,872,832.86/12,031,926.21 - Step 6: Final answer
x = 5,912,629.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.